8 to the power of 1/2 = 2.8284271247461900976033774484194
2.8284271247461900976033774484194 to the power of 2 = 8
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The square root is the same as raising to the one-half power x tot he power of 8 tot he power of 8 to the power of one-half is x to the 32 power (x to the 8x8x1/2)
1/2 x 1/2 x 1/2 = 1/8
-1/2 x -1/2 x -1/2 = -1/8
2 and a half - 3 over 8 = 2 1/8
To solve -8 cubed using exponents, you raise -8 to the power of 3, which can be written as (-8)³. This equals -8 * -8 * -8, or -512. As a product of repeated factors, you can express it as -8 * -8 * -8 = (-1) * 2 * 2 * 2 * 2 * 2 * 2 * 2 = -512.